The table below looks at the statistics for CentOS skills in IT contracts advertised for the Berkshire region. Included is a guide to the contractor rates offered in IT contracts that have cited CentOS over the 3 months to 30 June 2016 with a comparison to the same period over the previous 2 years.

Note that daily contractor rates and hourly contractor rates are treated separately. When calculating average contractor rates, daily rates are not derived from quoted hourly rates or vice versa.

3 months to
30 Jun 2016
Same period 2015 Same period 2014
CentOS Linux
Rank 116 115 122
Rank change year-on-year
-1 +7
Contract jobs citing CentOS 6 6 3
As % of all contract IT jobs located in Berkshire 0.25% 0.24% 0.12%
As % of the Operating Systems category 1.28% 1.22% 0.53%
Number of daily rates quoted 6 4 2
Median daily rate £450 £355 £406
Median daily rate % change year-on-year
+26.76% -12.61%
UK excluding London median daily rate £425 £350 £350
% change year-on-year
+21.42% -
Number of hourly rates quoted 0 0 0
Median hourly rate - - -
UK excluding London median hourly rate £55.00 - £16.75
CentOS
South East

The following table is for comparison with the above and provides statistics for the entire Operating Systems category in contract jobs advertised in the Berkshire region.

Operating Systems Category
Berkshire
Contract IT job ads with a match in the
Operating Systems category
468 491 563
As % of all contract IT jobs located in Berkshire 19.78% 19.89% 22.48%
Number of daily rates quoted 260 240 257
Median daily rate £375 £398 £338
Median daily rate % change year-on-year
-5.66% +17.77%
90% offered a daily rate of more than £173 £232 £210
10% offered a daily rate of more than £525 £490 £475
UK excluding London median daily rate £360 £345 £310
% change year-on-year
+4.34% +11.29%
Number of hourly rates quoted 34 59 22
Median hourly rate £17.50 £19.75 £16.50
Median hourly rate % change year-on-year
-11.39% +19.69%
90% offered a hourly rate of more than £12.50 £14.00 £13.00
10% offered a hourly rate of more than £43.28 £35.00 £22.00
UK excluding London median hourly rate £17.50 £16.50 £15.00
% change year-on-year
+6.06% +10.00%

CentOS
Jobs Demand Trend in Berkshire

The demand trend of contract jobs across the Berkshire region citing CentOS as a proportion of all IT contracts with a match in the Operating Systems category.

CentOS Jobs Demand Trend in Berkshire

CentOS
Daily Rate Trend in Berkshire

This chart provides the 3-month moving average for daily rates quoted in IT contract jobs citing CentOS across the Berkshire region.

CentOS Daily Rate Trend in Berkshire

CentOS
Contract Job Locations in Berkshire

The table below looks at the demand and provides a guide to the median contractor rates quoted in IT jobs citing CentOS within the Berkshire region over the 3 months to 30 June 2016. The 'Rank Change' column provides an indication of the change in demand within each location based on the same 3 month period last year.

Location
(Click see detailed
statistics and trends)
Rank Change
on Same Period
Last Year
Matching
Contract
IT Job Ads
Median
Daily Rate
Last 3 Months
Median Daily Rate
% Change
on Same Period
Last Year
Live
Job
Vacancies
Slough +3 1 £475 +41.79%
Windsor - 1 £520 -
CentOS
South East

CentOS
Top 30 Related IT Skills in Berkshire

For the 6 months to 30 June 2016, IT contractor jobs citing CentOS also mentioned the following skills in order of popularity. The figures indicate the number co-occurrences and its proportion to all contract ads across the Berkshire region with a requirement for CentOS.

1 24 (100.00%) Linux
2 15 (62.50%) Red Hat Enterprise Linux
3 13 (54.17%) Puppet
3 13 (54.17%) Cisco
3 13 (54.17%) Red Hat
4 12 (50.00%) EMC
4 12 (50.00%) VMware
5 10 (41.67%) vSphere
5 10 (41.67%) DevOps
6 9 (37.50%) Bash Shell
6 9 (37.50%) Python
6 9 (37.50%) Java
7 8 (33.33%) Cisco Nexus
7 8 (33.33%) Opscode Chef
8 7 (29.17%) Docker
8 7 (29.17%) Oracle
8 7 (29.17%) Nagios
8 7 (29.17%) Firewall
8 7 (29.17%) VMware Infrastructure
9 6 (25.00%) Configuration Management
9 6 (25.00%) Cisco Certification
9 6 (25.00%) SQL
9 6 (25.00%) CCNP
9 6 (25.00%) CCNA
9 6 (25.00%) OpenShift
9 6 (25.00%) Kubernetes
9 6 (25.00%) EMC VNX
9 6 (25.00%) Sonatype Nexus
9 6 (25.00%) Virtual Team
10 5 (20.83%) Data Centre

CentOS
Top Related IT Skills in Berkshire by Category

The follow tables expand on the table above by listing co-occurrences grouped by category. The same job type, locality and period is covered with up to 20 co-occurrences shown in each of the following categories:

Application Platforms
1 4 (16.67%) Elasticsearch
2 2 (8.33%) OpenStack
3 1 (4.17%) Apache
3 1 (4.17%) Exchange Server 2010
3 1 (4.17%) MS Exchange
3 1 (4.17%) WebLogic
3 1 (4.17%) WebSphere
3 1 (4.17%) WebSphere Application Server
Applications
1 1 (4.17%) MS Office
Cloud Services
1 6 (25.00%) OpenShift
2 4 (16.67%) Amazon AWS
3 1 (4.17%) Amazon EC2
3 1 (4.17%) Amazon ELB
3 1 (4.17%) Amazon S3
3 1 (4.17%) CloudBees
3 1 (4.17%) Office 365
Communications & Networking
1 8 (33.33%) Cisco Nexus
2 7 (29.17%) Firewall
3 5 (20.83%) SAN
4 4 (16.67%) TCP/IP
5 3 (12.50%) NAS
5 3 (12.50%) VPN
6 2 (8.33%) DNS
6 2 (8.33%) MPLS
6 2 (8.33%) VoIP
7 1 (4.17%) BGP
7 1 (4.17%) DHCP
7 1 (4.17%) EIGRP
7 1 (4.17%) IPsec
7 1 (4.17%) OSPF
7 1 (4.17%) SMTP
7 1 (4.17%) SSL
7 1 (4.17%) VRRP
7 1 (4.17%) WAN
7 1 (4.17%) Wi-Fi
7 1 (4.17%) Wireless
Database & Business Intelligence
1 3 (12.50%) Big Data
2 1 (4.17%) MySQL
2 1 (4.17%) SQL Server
2 1 (4.17%) SQL Server 2005
2 1 (4.17%) SQL Server 2008
Development Applications
1 6 (25.00%) Sonatype Nexus
2 1 (4.17%) Git (software)
2 1 (4.17%) Jenkins
General
1 4 (16.67%) Finance
Job Titles
1 7 (29.17%) VMware Engineer
2 6 (25.00%) Linux Engineer
2 6 (25.00%) Senior Linux Engineer
2 6 (25.00%) Senior Systems Engineer
2 6 (25.00%) Senior VMware Engineer
2 6 (25.00%) Systems Engineer
3 4 (16.67%) DevOps Engineer
4 3 (12.50%) Administrator
4 3 (12.50%) Cloud Engineer
4 3 (12.50%) Consultant
4 3 (12.50%) DevOps Consultant
4 3 (12.50%) EMC Engineer
4 3 (12.50%) Linux DevOps Engineer
4 3 (12.50%) Linux Scripter
4 3 (12.50%) Linux Systems Engineer
4 3 (12.50%) Linux/Unix DevOps
4 3 (12.50%) Senior Cloud Engineer
4 3 (12.50%) Senior DevOps
4 3 (12.50%) Senior DevOps Engineer
4 3 (12.50%) Senior Linux Systems Engineer
Libraries, Frameworks & Software Standards
1 4 (16.67%) ELK Stack
2 3 (12.50%) RESTful
2 3 (12.50%) Sensu
2 3 (12.50%) Web Services
3 1 (4.17%) LAMP
3 1 (4.17%) MAPI
3 1 (4.17%) Middleware
Miscellaneous
1 6 (25.00%) EMC VNX
1 6 (25.00%) Virtual Team
2 5 (20.83%) Data Centre
Operating Systems
1 24 (100.00%) Linux
2 15 (62.50%) Red Hat Enterprise Linux
3 5 (20.83%) Windows
4 4 (16.67%) Ubuntu
5 2 (8.33%) Windows Server
5 2 (8.33%) Windows Server 2008
6 1 (4.17%) Debian
6 1 (4.17%) Fedora
6 1 (4.17%) Mac OS X
6 1 (4.17%) Solaris
6 1 (4.17%) Unix
6 1 (4.17%) Windows 7
6 1 (4.17%) Windows Server 2003
6 1 (4.17%) Windows Server 2012
Processes & Methodologies
1 10 (41.67%) DevOps
2 6 (25.00%) Configuration Management
3 5 (20.83%) ITIL
3 5 (20.83%) Software Engineering
4 4 (16.67%) Agile Software Development
5 3 (12.50%) Continuous Improvement
5 3 (12.50%) Data Management
5 3 (12.50%) Service Management
6 2 (8.33%) Open Source
7 1 (4.17%) Continuous Integration
7 1 (4.17%) Migration
7 1 (4.17%) Regression Testing
7 1 (4.17%) Scrum
7 1 (4.17%) Test Scripting
7 1 (4.17%) UML
7 1 (4.17%) Waterfall
Programming Languages
1 9 (37.50%) Bash Shell
1 9 (37.50%) Java
1 9 (37.50%) Python
2 6 (25.00%) SQL
3 3 (12.50%) JavaScript
3 3 (12.50%) Ruby
4 2 (8.33%) Perl
5 1 (4.17%) PHP
Qualifications
1 6 (25.00%) CCNA
1 6 (25.00%) CCNP
1 6 (25.00%) Cisco Certification
2 5 (20.83%) VMware Certified Professional (VCP)
3 3 (12.50%) Security Cleared
4 2 (8.33%) RHCE
4 2 (8.33%) RHCSA
4 2 (8.33%) SC Cleared
4 2 (8.33%) VCP5
5 1 (4.17%) VCP4
Quality Assurance & Compliance
1 4 (16.67%) SLA
System Software
1 10 (41.67%) vSphere
2 7 (29.17%) Docker
2 7 (29.17%) VMware Infrastructure
3 3 (12.50%) vCloud
4 1 (4.17%) Active Directory
4 1 (4.17%) KVM
4 1 (4.17%) NFS
4 1 (4.17%) Oracle RAC
4 1 (4.17%) Postfix
4 1 (4.17%) qmail
4 1 (4.17%) Sendmail
4 1 (4.17%) Varnish
4 1 (4.17%) XenServer
Systems Management
1 13 (54.17%) Puppet
2 8 (33.33%) Opscode Chef
3 7 (29.17%) Nagios
4 6 (25.00%) Kubernetes
5 4 (16.67%) Ansible
5 4 (16.67%) Graphite
5 4 (16.67%) logstash
6 3 (12.50%) Terraform
7 2 (8.33%) cPanel
8 1 (4.17%) Bacula
8 1 (4.17%) Cacti
8 1 (4.17%) Grafana
8 1 (4.17%) Kibana
8 1 (4.17%) Plesk
8 1 (4.17%) Red Hat Satellite
8 1 (4.17%) Red Hat Spacewalk
8 1 (4.17%) Salt
8 1 (4.17%) SCOM
8 1 (4.17%) SELinux
8 1 (4.17%) ZABBIX
Vendors
1 13 (54.17%) Cisco
1 13 (54.17%) Red Hat
2 12 (50.00%) EMC
2 12 (50.00%) VMware
3 7 (29.17%) Oracle
4 2 (8.33%) Remedy
5 1 (4.17%) Citrix
5 1 (4.17%) CommVault
5 1 (4.17%) Hitachi
5 1 (4.17%) IBM
5 1 (4.17%) Microsoft
5 1 (4.17%) NetApp
5 1 (4.17%) Rackspace
5 1 (4.17%) Symantec